Ask Honest John

Most recently answered diesels questions
I have a Citroen Berlingo 1.9-litre diesel van (with the XUD engine), and have recently found that it's lacking power. I've had the fuel injector pump and cambelt replaced, and timing looked at, as recommended...
I changed fuel filter on my diesel Accord (have done numerous times!). I bled system and started car - vehicle then died - bled system again now car is cranking, but still not starting?
Where do I buy Platinum Plus, as erred to in your DT motoring supplement today? All I get on Google are night clubs and, literally, 'Shagpads'!
I would like to replace my Mercedes B180. I'm looking for a comfortable car with a slightly larger boot than the Mercedes.
Our 2005 Citroen C8 broke down on the motorway when the cam belt snapped. I understand that when this happens damage can be caused to the engine/valves. The service manual states that the cam belt should...
Apparently short trips are not good for diesels. At work we use the Platinum Plus additive in our delivery van to make it burn off the soot in the DPF at a lower temperature. Our drivers report that performance...
At what point did the Vauxhall Corsa CDTi engine switch from a cambelt to a cam chain, as some forums say they're chain drive, while I've seen an advert advising that a car has had its cambelt replaced. I'm...
The glow plug light on my Ford Mondeo 2.0LX 115PS TDCI 2003 (53) is continually flashing. I've had the glow plugs replaced, but the light still flashes. It takes about 15 goes to start in morning and once...
I read your explanation on how to benefit from Shell V-Power yesterday. Following your recommendation I've been using Shell diesel in my Ford Kuga 163ps with Powershift since new (now 18k miles) and a...
I love diesels as they suit the terrain here in southern Spain; lots of steep hills where you do not need to change to a lower gear to easily get up them, but we have to go with the flow I guess. I have...